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| Presentation | 2015-03-04 10:50 New Linear Correlations and Analysis Method for Key Recovery Attack of RC4 in WPA Daiki Michihiro (JAIST), Atsuko Miyaji (JAIST/JST CREST), Ryoma Ito (JAIST)  ICSS2014-85 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The first three bytes of the RC4 key in WPA are derived from the public parameter IV, and also the attacker can obtain them. These keys cause the initial keystream and the permutation strong correlations. In FSE 2014, Sen Gupta et al. and Paterson et al. proposed the plaintext recovery attack using them, and Ito et al. proposed the state recovery attack using them in SCIS 2015. In this paper, motivated by the work of Sen Gupta et al., we show the new linear correlations which allow us to guess the fourth byte of the key with high probability for the key recovery attack. Further, we propose new analysis method using the combined linear correlation having bias toward the arbitrary value. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | RC4 / WPA / Linear Correlation / Key Recovery / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 489, ICSS2014-85, pp. 133-138, March 2015. | |
| Paper # | ICSS2014-85 | |
| Date of Issue | 2015-02-24 (ICSS) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | ICSS2014-85 |
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| Conference Information | |
| Committee | ICSS |
| Conference Date | 2015-03-03 - 2015-03-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Meio Univiersity |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Communication Security, etc. |
| Paper Information | |
| Registration To | ICSS |
| Conference Code | 2015-03-ICSS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | New Linear Correlations and Analysis Method for Key Recovery Attack of RC4 in WPA |
| Sub Title (in English) | |
| Keyword(1) | RC4 |
| Keyword(2) | WPA |
| Keyword(3) | Linear Correlation |
| Keyword(4) | Key Recovery |
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| 1st Author's Name | Daiki Michihiro |
| 1st Author's Affiliation | Japan Advanced Institute of Science and Technology (JAIST) |
| 2nd Author's Name | Atsuko Miyaji |
| 2nd Author's Affiliation | Japan Advanced Institute of Science and Technology/JST CREST (JAIST/JST CREST) |
| 3rd Author's Name | Ryoma Ito |
| 3rd Author's Affiliation | Japan Advanced Institute of Science and Technology (JAIST) |
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| Speaker | Author-1 |
| Date Time | 2015-03-04 10:50:00 |
| Presentation Time | 25 minutes |
| Registration for | ICSS |
| Paper # | ICSS2014-85 |
| Volume (vol) | vol.114 |
| Number (no) | no.489 |
| Page | pp.133-138 |
| #Pages | 6 |
| Date of Issue | 2015-02-24 (ICSS) |
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